CVE-2011-1961 in the critical feed json
The telnet URI handler in Microsoft Internet Explorer 6 through 9 does not properly launch the handler application, which allows remote att…
published 2011-08-10 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-1955
- cvss
- 9.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 34.2%
- EPSS 34.2% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known
Summary
The telnet URI handler in Microsoft Internet Explorer 6 through 9 does not properly launch the handler application, which allows remote attackers to execute arbitrary programs via a crafted web site, aka "Telnet Handler Remote Code Execution Vulnerability."
Patch / fix
Exploit prediction
34.21% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
References
-
docs.microsoft.com
/en-us/security-updates/securitybulletins/2011/ms11-057
vendor-advisory, patch
-
jvn.jp
/en/jp/JVN80404511/index.html
third-party-advisory, vdb-entry
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12684
vdb-entry, signature, tool-signature
-
jvndb.jvn.jp
/ja/contents/2011/JVNDB-2011-000060.html
third-party-advisory, vdb-entry
-
us-cert.gov
/cas/techalerts/TA11-221A.html
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2011-1961
- NVD CVE-2011-1961
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.